Fun & Games

The latest DIY ideas, techniques and tools for bikes, rockets, R/C vehicles, toys and other diversions.

NES Alarm Clock

NES Alarm Clock

Clever NES Alarm clock mod, the Maker, Aaron writes – “So I built a funky alarm clock out of an old Nintendo console. Why? Because I was at Value Village with my girlfriend and my sister, and while they were browsing through miles of clothing the only thing of interest I could find were two […]

Sound following LEGO robot

Sound following LEGO robot

Matthew writes – “There are a lot of LEGO Mindstorms robots out there, but I finally found the best. Nic_1 is a Johnny V impersonator that detects the direction of sound and follows it. Detection is accomplished by calculating the cross-correlation of two audio signals from the binaural sensor. The data is used to estimate […]